Self-contained machine for preparing road wearing-surfaces.



I 1 '0. "BRENNAN. SELF CONTAINED MACHIENB FOR PREPARING ROAD WEARING SURFAGEQS.

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ATTORNEYS P. 0. BRENNAN. ,-SELF CONTAINED MACHINE FOR PREPARING BGAD'WEARING SURFA'GESL 1,020,633.

a SHEETS-SHEET 3.

Patented Mar.19, 1912.

w x m. s Q m E E if Q m I... m Qm. Q 4m m n N n v m N m A P W N w WITNESSES v P; 10.3mm. I SELF CONTAINED MACHINE FOR PREPARING ROAD WEARING SURFACES.

' APPLIGATIO N'FILED DEC. 22, 1908.

6 SHEETS-SHEET mvamoia l I. S WITNESSES:

P. O. 'B RENNA-N.

E FOR PREPARING ROAD. WEARING SURFACES;

Patented Mar. .19, 1912.

v r 31,? GONTAINBD MAGHIN 1- ;O2O,'633.

\ APPLICATION-FILED DEG.'22,, 1908.

. INVENTOR ATTORNEYS WlTNE 0% P. 0. BBJENNAN. SELR GONTAINBD MACHINE FOR PREPAE I NG ROAD WEARING SURFACES. APIVLIOATIO'N FILED DBL]. 22,,1908,

1. 020533 Patented Mar. 19,1912

6 sums-511mm a.

SSE? INVE OR ewes ATEN were mew aamewda BRENNAN; or NEW YORK, N. Y.,' assrenon, BY MESNE ASSIGN- miiivrrsjro 'trHnnnrr-nn 's'rarns AFZPI-IALT nnriivrive COMPANY, on NEW YORK,

N. n, Afconronarronor s'ou'rn DAKOTA.

YsELF-couriirnnn minor-tins roarnnrannve ROAD WEARING-SURFACES.

ToiazZZ. whom 5mm, i

Be it known that 1, PAUL CARmNoToN BRENNAN, ,a citizen of. the. United States,

residing in. the borough of Queens, city,

county, and State of New York, have invented certain new and useful Improve" mentsin Self-Containd Machines for Preparing Road lVearing-Surfaces,"of -which thefollowi-ng isa specification.

- My inventionrelates to a self-contained machine for preparing road wearlng-sur faces, wherein the machine is self-propelled nation ofja'fmachineillustrating one form of and selfcontainedfli. 6. contains in itself all necessary means for heating and-mixing the various materials and is adapted-to so mix and prepare'tl e materials as itnioves reference to the accompanying drawings,an

apparatus.embodying one form of my invention illustrated asespecially adapted for use in. connection with bituminous pavements, the features thereof being more particularly pointed out hereinafter in the claims.

In the drawings'Figure -1. is a side elemy invention, parts being broken away to more clearly show the construction. Fig. 2 is aplaii view .Qft-he'same, parts being removed. 'Fig. 3 is a sectional view along the line vA.B of Fig. 1 on a slightly en-- largedI scale,.' looking injthe direction of the arrows, parts being broken away. Fig. 4e isa front endelevation. Fig. 5 isa sectional view along the line C-D of Fig. l,

on a slightly. enlargedfs'cale, looking in the directionofthe arrows, parts being broken away. Fig. 6 1s arearjend elevatron- Fig.

7 isa' plan view of details of the steering meansj 8 is 'ayertical sectional view' along the line E- -F of Fig. 2, looking in 45" the direction ofthe arrows, parts being broken away. "Fig.9 is'a vertical sectionalview along the 'linefG H of Fig. Fig. isa vertical sectional View of a detail of the steering means along the line I -J of Fig.7f YFig a vertical sectional view of, the iseralong the' 'line 'K'L of "Fig. 12,

which" latter is a' side elevation "partly in r der drier 12 escape through pipes 48, '18 into section. of the same.

Specification oLLetters Patent.-

in casing over grate 16. to grate 46 through door 17 and the products thedrawingssimilarnumeral s' of reference indicate similar parts through the Patented Mar. 19, 1912. Application filed December 22,1908. Serial no. 468,761. I

platform, mounted on 'wheels 2, 2 and I hinged at 3, 3 to rods or bars 4: in hinged at 5 to the truck platform 6. v

7 is a stay rod, swivelly connected at one end 8 to platform 6 and hooked to platform 1 at its otherend. .Intermediate the two ends is a coupling 9 swivellyconnected to rod 7 and hinged to platform 1. The platform 1, by the means disclosed, may beswung up against the front end of the machine, assuming the form of an inverted V.

Platform 1 supports arms 10 'forminga bearing forshaft 11 on which is mounted traction wheel. 12. e

13 are brackets supported from platform tl."

Bucket elevator 14- connects traction wheel 1 sprocket wheel 18 on shaft 16 geared. by a chain 19 to sprocket 20 on main driving shaft 21 supported in suitable hearings on framework 2-2. Main. shaft 21 also carries drive wheel 23 geared by a chain 24. with' sprocket wheel 25 on shaft 25* hanging in suitable bearings depending from platform 6. Spur pinion 26 on shaft 25 engages spur gear 27 on shaft 27'" carrying sprochets28 geared by a chain 29 with sprocket 30 onaxle 30*, thus driving wheels 31 and causmg the machine to go forward or backward accordingto the direction of the drive wheels. Main shaft 21 is driven by pulley 32 connected by belt 83 with'pulley Set on the engine shaft 85.

36 is the engine, here shown in the form of a two cylinder steam. engine, 37 is the boiler, 38 the water tank and 39 a suitably valve controlled steam pipe'for conducting the steam from boiler 37 to engine 36.

.40 is a suitable safetyvalve of any con venient style. I

Bucket elevator 14 dumps its load into hopper 41, discharging into drier 4-2 (Fig. 8) carried by trunnions 11 supported in any" suitable manner.

smoke stack 419.

Drier tQ is mounted Fuel-is supplied. 3

front to rear as shown. so that the material 1 supplied thereto may progress by gravity from the front to the rear thereof. Ribs 51. preferably of angle iron, are mounted on the inner walls of drier 42, to assist the movement and mixing of the material as it passes therethrough'. The inner end of drier 42 is provided with a circumferential screen 52 through which the finer material, such as sand, for example, will drop into hopper or trough 53 while the coarse material, such as gravel, for example. will pass out of the inner end of drier l2 and be discharged through chute '51 discharging through the )latform 6 or onto the platform as desired. rier 42 is driven by gear keyed on trunnion 14 and meshing with pinion 5G mounted on cross shaft 57 supported in suitable bearings supported from platform 6. Cross shaft 57 carries a sprocket 58 connected by a chain or belt 59 with sprocket 60 on main drive shaft 21.

- A shaft 61. mounted at one end in bearing 62 in the wall of casing 45, and at the other end in bearing 63 in the wall of hopper 61 carries a screw conveyer 65 adapted to receive the material from hopper and convey the same to hopper 61. Shaft 61 carries a sprocket wheel 66 connected by chain '67 to sprocket wheel 68 on cross shaft 57.

Cross shaft 57 also carries a sprocket wheel 69 connected by a chain 70 with a sprocket wheel 71 on shaft 72 mounted in suitable hearings on framework 73. Shaft 72 also carries a traction wheel 74 overwhichpasses bucket conveyer 75 concealed in hood 76. The lower end of bucket conveyer 7 5 passes over traction wheel 7 7 on shaft? 8 mounted in suitable behr-iiigs in the walls of hopper 64.

7 9 is a'trough into which bucket conveyer 75 discharges and adapted to in turn discharge the material into hopper 80. Hopper is closed atthe bottom by a slide gate or valve 81 controlling the discharge of material from hopper 80 into measuring box 82? Box 82 is provided with an opening closed by hinged cover 83 and is also closed at the bottom by a slide ate or valve 84:,

controlling the discharge of material from box 82 into mixer 85. Mixer 85 is an in- -closed chamber in which are mounted mixer teeth 86 on shafts 87 finding bearings in the Walls of mixer 85. :Shafts 87 carry spur gears 88 en aging each other." Spur-wheel 89 on one or shafts 87 engages spur-pinion 90 on shaft 90 on truck 6. Shaft 90 carries a pulley 91 connected by a'belt 92 with .pulley 93 on main driving shaft 21. The bcttom of'mixer 85 is closed by a slide 94; actu' ated by a lever 94 controlling the dumping of the mixture on the. read bed through a suitable opening 01" in the floor of truck 6. llopper 07 i. mounted on mixer 85 and is closed at the bottom l. a lill'ill)l( gate or valve J controlling communication between the hopper and mixer. llopper 05 may also be provided with a gage 07.

98 is the ii lllll1ll tank suitably supported in casing 00 on truck 6. p

100 a grate near the bottom of casing 99 to which access ma y be had through door 101 102 is the line for the escaping products of combustion frcm grate 100 and is preferably mounted in tank 98 so that the asphalt in said tank may be heated from both within and without.

103 is the smoke stack connecting with flue 102 and is preferably hinged as at 104.

105 a draw off ccckadapted to permit the molten asphalt. from tank 98 to flow into hopper permitted to fall through opening 106 into any suitable ash box (not shown).

The means for steering the truck'eom-v prises a shaft. 107 supported in hangers 108 depending from the floor of truck 6. Shaft 107' carries a sprocket 100 driven by chain 110 passing over sprocket 111 on cross shaft 57. chain 1.10 passing under idler 112 in order to hold the same free from other moving parts. Shaft 107 carries spur wheel 113 meshing with spur wheel 114C on shaft 115 and spur wheel 116 on shaft 117; shaft 115 is provided with a clutch member (not shown) adapted to cause pinion 118 feathered on shaft 115, to mesh with the internal .gear 110 of wheel 120 on shaft 121, thus driving said shaft 121 in one direction. Shaft 117 is provided with a clutch 122 adapted, to cause pinion 123 feathered on shaft 117 to mesh with the gear teeth on the outer periphery of wheel 120, thus driving wheel 120 and shaft 121 in the other direction.

124 and 125 indicate the clutch levers.

Shaft 121 carries drum 126, 126 on which is wound rope 127, passing around fifth wheel 128. According to. the direction of rotation of shaft 121, the drums will wind and unwind respectively, thus turning the fifth wheel and thus guiding the directionof movement of the truck. The fifth wheel 128 The ashes from grate 100 are' is in two parts 129 and 130 129 being sta-' is seated in. the center-of stationary.

block 140 seated in the radial part 130 of the wheel. Block 140 is cut away so as to cap block 141 preferably integral with king bolt 142. Block 141 is bolted to block 143 on the under side of axle 1441, as shown, thus clamping the same to theaxle. Block 143 carries a projecting pin 145 secured to reach 146 connecting the front and rear axles.

147 is a pin seated in axle 144 and taking mto block 141 to prevent the fifth wheel and its connections from shifting from side to side.- Ears 148 are adapted to receive a suitable pin to lock the stationary and radial parts of the fifth wheel against movement. The blocks 136 and 140 constituting the transit plate, are provided with apertures 137 and 149 in alinement with each other and preferably in the form of inverted truncated cones to receive the king bolt 142, and to permit movement of the king bolt therein.

150, 150 indicate steam coils on the side of the asphalt tank 98 adjusted about the discharge opening into draw off cock 145 to protect the choke of said discharge by melting cold asphalt which may lodge therein.

The coils 150 should preferably extend shown and described in order to illustrate nearly to the bottom 151 of tank 98.

The. operation of the apparatus disclosed and. described will be clear from .the description given.

It is obvious that the details of construction may be varied considerably without departing from the spirit of the invention and I do not restrict myself .to any of the details shown and described, the same being so one form only of an embodiment of my invention. i

hat I claim and desire to secure by Letters Patent is: v 1. A selfcontained apparatus of the character described comprising a truck, means thereon for causing the travel of said truck,

on the ground and movably secured to said truck, a main shaft, a drier, an elevator platform into said drier, a screw conveyer adapted to receive material from said drier, a mixer, an elevator adapted to convey material from said conveyer to said mixer, means foractuating said mixer and connections from said main shaft adapted to actuate said operating means.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

' PAUL eiarireror BRENNAN.

\Vitnesses v SEABURY C. Mas'riox, K. .G. LE Ann.

adapted to discharge material from said 

